<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<style>
    * {
        margin: 0px;
        padding: 0px;

    }
    .text {
        height: 500px;
    }
    .text div {
        border: 1px solid #cccccc;
        width: 280px;
        height: 180px;
        margin: 50px 10px;
        float: left;

    }
    h3 {
        height: 31px;
        font-size: 14px;
        border-bottom: 1px dotted #ccc;
        line-height: 31px;
        padding-left: 1.5em;
        background-color: #eee;
    }
    .kuaib li {
        list-style: none;
        padding-left: 1.5em;
        line-height: 23px;
    }
    .kuaib a {
        text-decoration: none;
        color: #666;
    }
    .kuaib a:hover {
        text-decoration: underline;
    }
    ul {
        margin-top: 5px;
    }
    .nav {
        height: 420px;
        margin-left: 200px;
    }
    .nav a {
        display: block;
        text-decoration: none;
        padding-left: 30px;
        height: 42px;
        line-height: 42px;
        background-color: #666666;
        color: #fff;
    }
    .nav a:hover {
        background-color: orange;
        text-decoration: none;
    }
    .nav a span {
        padding: 0 15px 0 80px;

    }
    .shadow {
        color: blueviolet;
        text-indent: 1em;
        padding-top: 20px;
        border-radius: 30px;
        background-color: pink;
        text-shadow: 5px 5px 6px rgba(0,0,0,.3);
        float: right;

    }
    .shadow:hover {
        box-shadow: 10px 10px 10px -4px rgba(0,0,0,.3);

    }
    .float{
        width: 1200px;
        height: 300px;
        margin: 0 auto;
        padding: 0;
    }
    .box li {
        list-style: none;
        padding-top: 10px;
        margin-left: 10px;
        float: left;

    }

    li img {
        width: 240px;
        height: 230px;
    }
    .box li:hover {
        box-shadow: 0px 10px 20px -4px rgba(0,0,0,.3);
    }
</style>
<body>
<div class="text">
    <div class="nav">
        <a href="#">手机 电话卡 <span>&gt;</span></a>
        <a href="#">电视 盒子</a>
        <a href="#">笔记本 显示器</a>
        <a href="#">家电 插线板</a>
        <a href="#">出行 穿戴</a>
        <a href="#">智能 路由器</a>
        <a href="#">电源 配件</a>
        <a href="#">健康 儿童</a>
        <a href="#">耳机 音箱</a>
        <a href="#">生活 箱包</a>
    </div>
<div class="kuaib">
    <h3>快报</h3>
    <ul>
        <li><a href="#">关注我们</a></li>
        <li><a href="#">新浪微博</a></li>
        <li><a href="#">官方微信</a></li>
        <li><a href="#">联系我们</a></li>
        <li><a href="#">公益基金会</a></li>
    </ul>
</div>

<div class="shadow"><h1>我有阴影</h1></div>
</div>
<div class="float">
    <ul class="box">
        <li><img src="https://cdn.cnbj0.fds.api.mi-img.com/b2c-shopapi-pms/pms_1597145894.51396359.jpg" alt=""></li>
        <li><img src="https://cdn.cnbj0.fds.api.mi-img.com/b2c-shopapi-pms/pms_1597145894.51396359.jpg" alt=""></li>
        <li><img src="https://cdn.cnbj0.fds.api.mi-img.com/b2c-shopapi-pms/pms_1597145894.51396359.jpg" alt=""></li>
        <li><img src="https://cdn.cnbj0.fds.api.mi-img.com/b2c-shopapi-pms/pms_1597145894.51396359.jpg" alt=""></li>
    </ul>
</div>
<div><hr></div>

</body>
</html>